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Patent Searching and Data


Title:
ELEVATOR SAFETY MONITORING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/191972
Kind Code:
A1
Abstract:
Provided is an elevator safety monitoring device capable of ensuring the safety of maintenance personnel in a boarding area on the upper side of a car. This elevator safety monitoring device comprises: an approach determination unit that determines whether or not the counterweight of an elevator system approaches the car of the elevator system when a maintenance worker is in the boarding area on the upper side of the car; and a safety assurance unit that performs safety control of the elevator system to ensure the safety of the maintenance worker when it is determined by the approach determination unit that the counterweight approaches the car.

Inventors:
ISHIGURO HIDETAKA (JP)
KUGIYA TAKUO (JP)
Application Number:
PCT/JP2020/012733
Publication Date:
September 30, 2021
Filing Date:
March 23, 2020
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B5/00
Domestic Patent References:
WO2017203558A12017-11-30
Foreign References:
JPH11199151A1999-07-27
JPH11335018A1999-12-07
JP2016160004A2016-09-05
JPS5418874U1979-02-07
US20180215577A12018-08-02
Attorney, Agent or Firm:
TAKADA, Mamoru et al. (JP)
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